[ALSA] Revolution 5.1 - register the AK5365 ADC with ALSA

Enable capture support for the M-Audio Revolution 5.1 card,
by registering the ADC with ALSA.
Signed-off-by: Jochen Voss <voss@seehuhn.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/ice1712/revo.c

@@ -98,6 +98,9 @@ static unsigned int revo51_num_stereo[] = {2, 1, 1, 2};
 static char *revo51_channel_names[] = {"PCM Playback Volume", "PCM Center Playback Volume",
 					"PCM LFE Playback Volume", "PCM Rear Playback Volume"};
 
+static unsigned int revo51_adc_num_stereo[] = {2};
+static char *revo51_adc_channel_names[] = {"PCM Capture Volume"};
+
 static struct snd_akm4xxx akm_revo_front __devinitdata = {
 	.type = SND_AK4381,
 	.num_dacs = 2,
@@ -159,7 +162,26 @@ static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
 	.data_mask = VT1724_REVO_CDOUT,
 	.clk_mask = VT1724_REVO_CCLK,
 	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
-	.cs_addr = 0,
+	.cs_addr = VT1724_REVO_CS1 | VT1724_REVO_CS2,
+	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
+	.add_flags = VT1724_REVO_CCLK, /* high at init */
+	.mask_flags = 0,
+};
+
+static struct snd_akm4xxx akm_revo51_adc __devinitdata = {
+	.type = SND_AK5365,
+	.num_adcs = 2,
+	.num_stereo = revo51_adc_num_stereo,
+	.channel_names = revo51_adc_channel_names
+};
+
+static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
+	.caddr = 2,
+	.cif = 0,
+	.data_mask = VT1724_REVO_CDOUT,
+	.clk_mask = VT1724_REVO_CCLK,
+	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
+	.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
 	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
 	.add_flags = VT1724_REVO_CCLK, /* high at init */
 	.mask_flags = 0,
@@ -202,9 +224,13 @@ static int __devinit revo_init(struct snd_ice1712 *ice)
 		snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 		break;
 	case VT1724_SUBDEVICE_REVOLUTION51:
-		ice->akm_codecs = 1;
+		ice->akm_codecs = 2;
 		if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
 			return err;
+		err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo51_adc,
+					       &akm_revo51_adc_priv, ice);
+		if (err < 0)
+			return err;
 		/* unmute all codecs - needed! */
 		snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
 		break;

sound/pci/ice1712/revo.h

@@ -42,7 +42,7 @@ extern struct snd_ice1712_card_info snd_vt1724_revo_cards[];
 #define VT1724_REVO_CCLK	0x02
 #define VT1724_REVO_CDIN	0x04	/* not used */
 #define VT1724_REVO_CDOUT	0x08
-#define VT1724_REVO_CS0		0x10	/* not used */
+#define VT1724_REVO_CS0		0x10	/* AK5365 chipselect for Rev. 5.1 */
 #define VT1724_REVO_CS1		0x20	/* front AKM4381 chipselect */
 #define VT1724_REVO_CS2		0x40	/* surround AKM4355 chipselect */
 #define VT1724_REVO_MUTE	(1<<22)	/* 0 = all mute, 1 = normal operation */